]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight_bind.ma
update in ground_2, static_2, basic_2, apps_2, alpha_1
[helm.git] / matita / matita / contribs / lambdadelta / static_2 / relocation / lifts_weight_bind.ma
index 3d1bef200566eb91c606564337c8c70a53f988a7..43faaa00171ceb78cfec7bf7998570cea4a306ed 100644 (file)
@@ -20,6 +20,6 @@ include "static_2/relocation/lifts_bind.ma".
 
 (* Forward lemmas with weight for binders ***********************************)
 
-lemma liftsb_fwd_bw: ∀f,I1,I2. ⇧*[f] I1 ≘ I2 → ♯{I1} = ♯{I2}.
+lemma liftsb_fwd_bw: ∀f,I1,I2. ⇧*[f] I1 ≘ I2 → ♯❨I1❩ = ♯❨I2❩.
 #f #I1 #I2 * -I1 -I2 /2 width=2 by lifts_fwd_tw/
 qed-.